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  • VOA标准英语2010年-Inventive Partnership Extends Millions

    Cardiac medicine has made tremendous strides since the 1950s, when surgeons placed the first experimental artificial valves in the human heart. One of the pioneers in that field is Dr. Albert Starr, who co-invented the heart value - which has extende...

  • 学个词Learn a Word 第677期 Ethical

    今天我们要学的词是ethical。 Ethical, 合乎伦理道德标准的。 Elected officials should be held to the highest ethical standards, 民选产生的官员应该遵守最高标准的伦理和道德准则。 美国总统奥巴马星期一签署...

  • Ethical Travel

    BBC Learning English Weekender Ethical Travel Yvonne:This weekend, thousands and thousands of people will travel to countries across the world.And in Britain alone, about 60 million people take a holiday abroad each year!But forget the tourists and...

  • VOA标准英语2008年-Use of High-Tech Tools Raise Ethical Concerns a

    By Brian Padden Washington 16 June 2008 In August, national teams from more than 200 nations from Afghanistan to Zimbabwe will gather in Beijing for the summer Olympics. The games promotes themselves as more than just a sporting event. The Olympic c...

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